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Finding the Fourth Proportional to 322,305.02, 483,320.84 and 153,630.21

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Solution

The fourth proportional to 322,305.02, 483,320.84 and 153,630.21 is: 230,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,305.02 : 483,320.84 = 153,630.21 : x
  2. Step 2: Convert to fraction form
    322,305.02/483,320.84 = 153,630.21/x
  3. Step 3: Cross multiply
    322,305.02x = 483,320.84 × 153,630.21
  4. Step 4: Simplify right side
    322,305.02x = 74,252,681,378.43
  5. Step 5: Solve for x
    x = 74,252,681,378.43/322,305.02
  6. Step 6: Final answer
    x = 230,380.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.